C52GBZGBZ/T160.82004Methodsfordeterminationofcobaltanditscompoundsintheairofworkplace20045212004121GBZ/T160.82004GBZ1GBZ2[CobaltCobaltoxide]2004121GB1152989AGB/T1602219951989GBZ/T160.8200412GBZ1593240.7nm44.10.8m4.240mm4.325mm4.403L/min010L/min4.550ml4.64.725ml4.855.1201.67g/ml5.2201.42g/ml5.3100ml900ml5.4200g/L5.58mol/L30ml30ml5.60.48mol/L30ml970ml5.60.1000g8mol/L0.48mol/L100ml1.0mg/ml0.48mol/L50.0g/ml6GBZ1596.15L/min15min6.21L/min28h6.31L/min28h277.17.25ml200°C20.48mol/L0.48mol/L25ml0.48mol/L7.360.001.002.003.004.005.00ml0.48mol/L25.0ml0.02.04.06.08.010.0μg/ml240.7nm3(g/ml)7.4(g/ml)88.11293PVo=V1273+t101.3VoLVLtPkPa8.2225cC=2VoCmg/m325mlcg/mlVoL8.3GBZ15999.10.02g/ml0.007mg/m375L0.110.0g/ml4.49.2999.32.5mg/mlSi4+2mg/mlCo2+Mo2+V5+0.6mg/mlNi2+0.5mg/mlCu2+Mn2+0.1mg/mlCa2+